This massive redwood tree has a hole in the base big enough to drive through.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The largest drain hole in the world.

The largest permanent Monopoly board makes one of the longest games even bigger.

An inconspicuous footbridge beloved by San Diego locals.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A faux European lane smack dab in downtown L.A.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A meditative space out of a fantasy story.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Canyon walls shrouded in ferns.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

Quite simply the largest tree in the world (by volume).

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Olfactory delights in San Francisco's Botanical Gardens.

Towering basalt columns, a creation of fire and ice.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Its buzzing collection honors vibrator history.

The rocks in this arid basin leave trails of movement behind them.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.